Spa tub



FIG. 1 is a perspective view of spa tub showing a first embodiment of our new desing;

FIG. 2 is a top plan view of the first embodiment;

FIG. 3 is a right side elevational view of the first embodiment;

FIG. 4 is a rear side elevational view of the first embodiment;

FIG. 5 is a front side elevational view of the first embodiment;

FIG. 6 is a bottom plan view of the first embodiment;

FIG. 7 is a perspective view of spa tub showing a second embodiment of our new design;

FIG. 8 is a top plan view of the secont;

FIG. 9 is a right side elevational view of the second embodiment;

FIG. 10 is a rear side elevational view of the second embodiment;

FIG. 11 is a front side elevational view of the second embodiment; and,

FIG. 12 is a bottom plan view of the second embodiment.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a spa tub, as shown and described. 